Finding the Fourth Proportional to 888.93, 1,226.70 and 495.99
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Solution
The fourth proportional to 888.93, 1,226.70 and 495.99 is: 684.45
Step by Step Solution
- Step 1: Write the proportion equation
888.93 : 1,226.70 = 495.99 : x - Step 2: Convert to fraction form
888.93/1,226.70 = 495.99/x - Step 3: Cross multiply
888.93x = 1,226.70 × 495.99 - Step 4: Simplify right side
888.93x = 608,430.93 - Step 5: Solve for x
x = 608,430.93/888.93 - Step 6: Final answer
x = 684.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.